The newly revised Food Safety Law of People's Republic of China was came into force in October 2015. The article No.32 stated the detailed requirement for food safety standard impact evaluation. With the further improved China's food safety laws and regulations as well as the food safety standard system, the way of acquiring the information of standard implementation and impact will not only be an important content of the standard management, but also the clear requirement of various laws and regulations. In this paper, the national and international food safety regulations and standards impact evaluation methodology is reviewed. The methodology and the working mechanism has been discussed.